// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

// func archFloor(x float64) float64
TEXT ·archFloor(SB),NOSPLIT,$0
	FMOVD	x+0(FP), F0
	FRINTMD	F0, F0
	FMOVD	F0, ret+8(FP)
	RET

// func archCeil(x float64) float64
TEXT ·archCeil(SB),NOSPLIT,$0
	FMOVD	x+0(FP), F0
	FRINTPD	F0, F0
	FMOVD	F0, ret+8(FP)
	RET

// func archTrunc(x float64) float64

	"FMSUBS",
	"FMULD",
	"FMULS",
	"FNEGD",
	"FNEGS",
	"FNMADDD",
	"FNMADDS",
	"FNMSUBD",
	"FNMSUBS",
	"FNMULD",
	"FNMULS",
	"FRINTAD",
	"FRINTAS",
	"FRINTID",
	"FRINTIS",
	"FRINTMD",
	"FRINTMS",
	"FRINTND",
	"FRINTNS",
	"FRINTPD",
	"FRINTPS",
	"FRINTXD",
	"FRINTXS",
	"FRINTZD",
	"FRINTZS",
	"FSQRTD",
	"FSQRTS",
	"FSTPD",
	"FSTPQ",
	"FSTPS",

	// arm64:"FRINTPD"
	// ppc64x:"FRIP"
	// wasm:"F64Ceil"
	sink64[0] = math.Ceil(x)

	// amd64/v2:-".*x86HasSSE41" amd64/v3:-".*x86HasSSE41"
	// amd64:"ROUNDSD\t[$]1"
	// s390x:"FIDBR\t[$]7"
	// arm64:"FRINTMD"
	// ppc64x:"FRIM"
	// wasm:"F64Floor"
	sink64[1] = math.Floor(x)

	// s390x:"FIDBR\t[$]1"
	// arm64:"FRINTAD"
	// ppc64x:"FRIN"
	sink64[2] = math.Round(x)

		{name: "FCVTDS", argLength: 1, reg: fp11, asm: "FCVTDS"},     // float64 -> float32

		// floating-point round to integral
		{name: "FRINTAD", argLength: 1, reg: fp11, asm: "FRINTAD"},
		{name: "FRINTMD", argLength: 1, reg: fp11, asm: "FRINTMD"},
		{name: "FRINTND", argLength: 1, reg: fp11, asm: "FRINTND"},
		{name: "FRINTPD", argLength: 1, reg: fp11, asm: "FRINTPD"},
		{name: "FRINTZD", argLength: 1, reg: fp11, asm: "FRINTZD"},

	FRINTIS F17, F17                           // 31c2271e
	FRINTID F9, F15                            // 2fc1671e
	//TODO VFRINTM V9.D2, V27.D2               // 3b99614e
	FRINTMS F24, F16                           // 1043251e
	FRINTMD F5, F2                             // a240651e
	//TODO VFRINTN V30.S4, V2.S4               // c28b214e
	FRINTNS F26, F14                           // 4e43241e
	FRINTND F28, F12                           // 8c43641e

(Com(64|32|16|8) ...) => (MVN ...)

// math package intrinsics
(Abs         ...) => (FABSD   ...)
(Sqrt        ...) => (FSQRTD  ...)
(Ceil        ...) => (FRINTPD ...)
(Floor       ...) => (FRINTMD ...)
(Round       ...) => (FRINTAD ...)
(RoundToEven ...) => (FRINTND ...)
(Trunc       ...) => (FRINTZD ...)
(FMA       x y z) => (FMADDD z x y)

(Sqrt32 ...) => (FSQRTS ...)

(Min(64|32)F ...) => (FMIN(D|S) ...)

				{0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31
			},
		},
	},
	{
		name:   "FRINTMD",
		argLen: 1,
		asm:    arm64.AFRINTMD,
		reg: regInfo{
			inputs: []inputInfo{